MIC2098 datasheet(4/25 Pages) MICREL

4 / 25 page

Micrel, Inc.

MIC2095/97/98/99

September 2010

M9999-092010-C

Absolute Maximum Ratings(1)

Supply Voltage (VIN)....................................... −0.3V to 6.0V

Output Voltage (VOUT) ....................................... −0.3V to VIN

FAULT Pin Voltage (VFAULT) .............................. −0.3V to VIN

ENABLE Pin Voltage (VENABLE).......................... −0.3V to VIN

ILIMIT Pin Voltage (VILIMIT) ................................ −0.3V to VIN

Power Dissipation (PD)..............................Internally Limited

Maximum Junction Temperature (TJ)......................... 150°C

Storage Temperature (Ts).........................

−65°C to +150°C

Lead Temperature (soldering, 10sec.)....................... 260°C

ESD HBM Rating (VOUT, GND)

(3) ................................. 4kV

ESD HBM Rating (FAULT, ENABLE, VIN)

(3) .................2kV

Operating Ratings(2)

Supply Voltage (VIN)......................................... 2.5V to 5.5V

ENABLE Pin Voltage (VENABLE) .............................. 0V to VIN

FAULT Pin Voltage (VFAULT) ................................... 0V to VIN

Ambient Temperature Range (TA) .............. –40°C to +85°C

Package Thermal Resistance

(6)

1.6mm × 1.6mm TMLF (θJA)..............................93ºC/W

Electrical Characteristics(4)

VIN = 5V; CIN = 1µF TA = 25°C unless noted, bold values indicate –40°C≤ TA ≤ +85°C.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

Power Input Supply

VIN

Input Voltage Range

2.5

5.5

Quiescent Supply Current

(5)

Switch = ON

Active Low Enable, VEN = 0V

Active High Enable, VEN = 1.5V

300

µA

Switch = OFF

Active Low Enable, VEN = 1.5V

µA

IIN

Shutdown Current

Switch = OFF

Active High Enable, VEN = 0.5V

0.1

µA

VIN Rising

2.25

2.5

VIN UVLO Threshold

VIN Falling

1.9

2.15

2.4

UVLOTHRESHOLD

VIN UVLO Hysteresis

100

Enable Control

ENABLE Logic Level Low

(5)

VIL(MAX)

0.5

VEN

ENABLE Logic Level High

(5)

VIH(MIN)

1.5

IEN

ENABLE Bias Current

0V ≤ VEN ≤ 5V

0.1

µA

tON_DLY

Output Turn-on Delay

RL = 43Ω, CL = 120µF

VEN = 50% to VOUT = 10%

1000

1500

µs

tOFF_DLY

Output Turn-off Delay

RL = 43Ω, CL = 120µF

VEN = 50% to VOUT = 90%

700

µs

tRISE

Output Turn-on rise time

RL = 100Ω, CLOAD = 1µF

VOUT = 10% to 90%

500

1000

1500

µs

Thermal Protection

TJ Rising

145

°C

OTThreshold

Over-temperature Shutdown

TJ Falling

135

°C

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